2928819409 has 2 divisors, whose sum is σ = 2928819410. Its totient is φ = 2928819408.

The previous prime is 2928819331. The next prime is 2928819433. The reversal of 2928819409 is 9049188292.

2928819409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2841209809 + 87609600 = 53303^2 + 9360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2928819409 - 2⁷ = 2928819281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2928819479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464409704 + 1464409705.

It is an arithmetic number, because the mean of its divisors is an integer number (1464409705).

Almost surely, 2^2928819409 is an apocalyptic number.

It is an amenable number.

2928819409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928819409 is an equidigital number, since it uses as much as digits as its factorization.

2928819409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 2928819409 is about 54118.5680612486. The cubic root of 2928819409 is about 1430.7514607139.

The spelling of 2928819409 in words is "two billion, nine hundred twenty-eight million, eight hundred nineteen thousand, four hundred nine".